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Mass extinctions are characterized by the loss of at least 75% of species within a geologically short period of time (i.e., less than 2 million years). [18] [51] The Holocene extinction is also known as the "sixth extinction", as it is possibly the sixth mass extinction event, after the Ordovician–Silurian extinction events, the Late Devonian extinction, the Permian–Triassic extinction ...
Hence, the sixth mass extinction theme is applied to flora and fauna existing in diverse habitats, such as the Panamanian rainforest, the Great Barrier Reef, the Andes, Bikini Atoll, city zoos, and the author's own backyard. The book also applies this theme to a number of other habitats and organisms throughout the world.
Extinction Date Probable causes [2] Quaternary: Holocene extinction: c. 10,000 BC – Ongoing: Humans [3] Quaternary extinction event: 640,000, 74,000, and 13,000 years ago: Unknown; may include climate changes, massive volcanic eruptions and Humans (largely by human overhunting) [4] [5] [6] Neogene: Pliocene–Pleistocene boundary extinction: 2 Ma
Conservationist Jane Goodall on the urgent need to turn the tide on climate change and nature loss.
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A growing number of scientists believe a sixth mass extinction event of a magnitude equal to the prior five has been unfolding for the past 10,000 years as humans have made their mark around the ...
Life on Our Planet is an American television nature documentary series released on Netflix and produced by Amblin Television and Silverback Films.Executive-produced by Steven Spielberg and narrated by Morgan Freeman, the series focuses on the evolutionary history of complex life on Earth.
Hunting. It's been argued (based on genetic data) that most or all elk subspecies in North America are actually the same, which would be C. c. canadensis due to being named first. [301] [302] 1868 [303] Kawaihae hibiscadelphus: Hibiscadelphus bombycinus: Kawaihae, Hawaii, United States [304] 1998 (IUCN) Undetermined. 1869: Huahine warbler ...